It was 1989, and nicotine addiction had undergone enough study to fill a 639-page Surgeon General's report on the subject a year earlier.

The preliminary results of an autopsy were "undergoing further study" before being released, the examiner's office said.

Diacetylverrucarol is undergoing study for its successful effects at reducing or killing the kudzu weed.

The fungus is undergoing study to reduce the diacetylverrucarol presence to reduce side effects.

Further study needed - the proposed project must undergo further study.

"Right now, there are easier choices" than taking Compound Q, he said, urging people not to use the drug until it has undergone additional study.

It underwent study in the 1950s and 1970s.

Following the completion of initial military medical training, a service member must undergo further study in Aerospace Medicine.

It was not immediately clear what ranks the detained officials held, or how long they would be required to undergo political study.

But some experts criticize such high-level attention for an idea that has undergone relatively little study and evaluation.